I found the Hey there! You are using WhatsApp: Enumerating Three Billion Accounts for Security and Privacy a fascinating read. Unfortunately, it confirmed once more my perception of how Meta couldn’t care less about users' personal information. How is it possible that a single server could download all that data? Unbelievable!
Because of my love for numbers and graphs, I also spent a lot of time on the ones in the paper that, by the way, go way beyond WhatsApp. For example, the one below has to ...
Published on November 28, 2025 11:34